package com.cyc.bq;

import java.util.concurrent.BlockingDeque;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.SynchronousQueue;
import java.util.concurrent.TimeUnit;

/**
 * 同步队列  SynchronousQueue 不存储元素 放一个等待取出 才能放进去
 */
public class sycTest {
    public static void main(String[] args) {
        BlockingQueue<String> blockingQueue = new SynchronousQueue<>();
        new Thread(()->{
            try {
                System.out.println(Thread.currentThread().getName()+" pull 1");
                blockingQueue.put("1");
                System.out.println(Thread.currentThread().getName()+" pull 2");
                blockingQueue.put("2");
                System.out.println(Thread.currentThread().getName()+" pull 3");
                blockingQueue.put("3");
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        },"T1").start();

        new Thread(()->{
            try {
                TimeUnit.SECONDS.sleep(3);
                System.out.println(Thread.currentThread().getName()+" 取值 "+blockingQueue.take());
                TimeUnit.SECONDS.sleep(3);
                System.out.println(Thread.currentThread().getName()+" 取值  "+blockingQueue.take());
                TimeUnit.SECONDS.sleep(3);
                System.out.println(Thread.currentThread().getName()+" 取值 "+blockingQueue.take());
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        },"T2").start();

    }
}
